About Dianthus nudiflorus Griff.
Dianthus nudiflorus Griff., which has the synonym Velezia rigida, is a flowering plant species belonging to the family Caryophyllaceae. It is native to Mediterranean Basin countries in Europe and North Africa, as well as western and central Asia and Pakistan. It can also be found in northern California, where it is an introduced species. This plant is an annual herb that grows from a taproot. It produces a hairy, glandular, branching stem that can be green or purplish and reaches up to 40 centimeters tall. Its linear leaves grow up to 2 centimeters long. Solitary flowers grow in the leaf axils. Each flower has a very long, cylindrical, ribbed calyx made of fused sepals that forms the flower's tubular throat. This calyx measures at least one centimeter in length. At the top of this tube is the flower corolla, which has five pink or purplish petals.
